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Finding the Fourth Proportional to 241,939, 333,875.82 and 135,955

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Solution

The fourth proportional to 241,939, 333,875.82 and 135,955 is: 187,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,939 : 333,875.82 = 135,955 : x
  2. Step 2: Convert to fraction form
    241,939/333,875.82 = 135,955/x
  3. Step 3: Cross multiply
    241,939x = 333,875.82 × 135,955
  4. Step 4: Simplify right side
    241,939x = 45,392,087,108.10
  5. Step 5: Solve for x
    x = 45,392,087,108.10/241,939
  6. Step 6: Final answer
    x = 187,617.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.